<template>
  <div class="login">

    <el-form ref="loginRef"  class="login-form" :model="loginForm" :rules="loginRules">
      <h3 class="title">Django后台管理系统</h3>

      <el-form-item prop="username">

        <el-input
            v-model="loginForm.username"
            type="text"
            size="large"
            auto-complete="off"
            placeholder="账号"
        >
        <template #prefix><svg-icon icon="user" /></template>
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
            v-model="loginForm.password"
            type="password"
            size="large"
            auto-complete="off"
            placeholder="密码"
        >
        <template #prefix><svg-icon icon="password" /></template>
        </el-input>
      </el-form-item>
      <el-form-item prop="code">
        <el-input
            v-model="loginForm.code"
            size="large"
            auto-complete="off"
            placeholder="验证码"
            style="width: 63%"
            @keyup.enter="handleLogin"
        >
          <template #prefix>
            <svg-icon icon="validCode"/>
          </template>
        </el-input>
        <div class="login-code">
          <img :src="codeUrl" @click="getCode" class="login-code-img"/>
        </div>
      </el-form-item>
      <el-checkbox  style="margin:0px 0px 25px 0px;" v-model="loginForm.rememberMin">记住密码</el-checkbox>
      <el-form-item style="width:100%;">
        <el-button
            size="large"
            type="primary"
            style="width:100%;"
            @click.prevent="handleLogin"
        >
          <span>登 录</span>

        </el-button>

      </el-form-item>
    </el-form>
    <!--  底部  -->
    <div class="el-login-footer">
      <span>Copyright © 2013-2025 <a href="#" target="_blank">admin_operate.com</a> 版权所有.</span>
    </div>
  </div>
</template>

<script setup>
import { ref } from 'vue'
import requestUtil from '@/utils/request'
import qs from 'qs'
import { ElMessage } from 'element-plus'
import Cookies from 'js-cookie'
import { encrypt, decrypt } from '@/utils/jsencrypt'
import router from '@/router'

const loginForm = ref({
  username:"",
  password:"",
  rememberMin:false,
  code:"",
  uuid:""
})

const loginRules = {
  username:[{required:true,trigger:"blur",message:"请输入您的账号"}],
  password:[{required:true,trigger:"blur",message:"请输入您的密码"}]
}

const loginRef = ref(null)

const codeUrl = ref("")

const getCode = async() =>{
  let result = await requestUtil.get('/user/captcha/')
  console.log(result)
  loginForm.value.uuid = result.data.uuid
  codeUrl.value = result.data.base64str
}

getCode()

const handleLogin = () =>{
  loginRef.value.validate(async (valid) =>{
    if(valid){
      let result = await requestUtil.post("user/login/", qs.stringify(loginForm.value))
      console.log(result)
      let data = result.data
      if(data.code==200){
        ElMessage.success(data.msg)
        window.localStorage.setItem("token",data.token)
        const current_user = data.user
        current_user.roles = data.roles
        window.localStorage.setItem("current_user",JSON.stringify(current_user))
        window.localStorage.setItem("menuList",JSON.stringify(data.menuList))
        if(loginForm.value.rememberMin){
          Cookies.set("username", loginForm.value.username, {expires:30})
          Cookies.set("password", encrypt(loginForm.value.password), {expires:30})
          Cookies.set("rememberMin", loginForm.value.rememberMin, {expires:30})
        }else{
          Cookies.remove("username")
          Cookies.remove("password")
          Cookies.remove("rememberMin")
        }
        router.replace("/")
      }else{
        ElMessage.error(data.msg)
      }
    }else{
      console.log("验证失败")
    }
  })
}

function getCookie(){
  const username = Cookies.get("username")
  const password = Cookies.get("password")
  const rememberMin = Cookies.get("rememberMin")
  loginForm.value={
    username: username === undefined ? loginForm.value.username : username,
    password: password === undefined ? loginForm.value.password : decrypt(password),
    rememberMin: rememberMin === undefined ? false : Boolean(rememberMin)
  }
}

getCookie()

</script>

<style lang="scss" scoped>
a{
  color:white
}
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("../assets/images/login-background.jpg");
  background-size: cover;
}
.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  width: 400px;
  padding: 25px 25px 5px 25px;

  .el-input {
    height: 40px;


    input {
      display: inline-block;
      height: 40px;
    }

  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 0px;
  }

}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 33%;
  height: 40px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}
.login-code-img {
  height: 40px;
  padding-left: 12px;
}
</style>
